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...tures much smaller than <math>r_0</math> is less affected by atmospheric [[Astronomical seeing|seeing]] than [[diffraction]] due to the telescope's small aperture. ...elescopes| page=92|isbn=0-19-509019-5}}</ref> in terms of the so-called [[Astronomical seeing#The profile|atmospheric turbulence strength]] <math>C_n^2</math> (wh ...

| discoverer = [[Mauna Kea Observatories|Mauna Kea Obs.]] | discovery_site = [[Mauna Kea Observatories|Mauna Kea Obs.]] ...

...to Detect the Dark Ages]].<ref>Baek et al. (2010), p. 523.</ref> Proposed observatories that aim to detect evidence of Wouthuysen–Field coupling include the [[Squa ...in a clumpy intergalactic medium | journal = Monthly Notices of the Royal Astronomical Society | volume = 393 | issue = 3 | pages = 949 | year = 2009 | doi-access ...

{{Short description|Astronomical observatory for studying the cosmic microwave background (2008–2010)}} {{Astronomical observatories in Chile}} ...

* [[List of astronomical observatories]] * [[List of astronomical societies]] ...

...16 crossed dipoles (each). The field of view is large by the standard of astronomical instruments, being on the order of 30 degrees across.{{citation needed|date * [[List of astronomical observatories]] ...

...und based imaging surveys, including the [[Hubble Deep Field]] and [[Great Observatories Origins Deep Survey|GOODS survey]].{{citation needed|date= September 2023}} ...s the Principal Investigator on the [[Hubble Space Telescope|HST]] [[Great Observatories Origins Deep Survey|GOODS]] [[Near Infrared Camera and Multi-Object Spectro ...

| semimajor = 0.107{{±|0.025|0.040}}<ref name="Harvard-20171216" /> [[astronomical unit|AU]] ...its its host star about every 14.45 days with a semi-major axis of 0.107 [[Astronomical unit|AU]]. ...

...>{{cite journal | last=de Kock | first=R. P. |journal=Monthly Notes of the Astronomical Society of South Africa | volume=7 | pages=74–75 | title=RR Tel. (195656) | ...[Harvard College Observatory]] starting in 1889, as well as other southern observatories begun at later dates. [[Williamina Fleming]] in 1908 reported variations i ...

...es, S/2015 (136472) 1's orbit appears to be aligned edge-on to Earth-based observatories.<ref name="CBET4275"/> This would make it difficult to detect because it wo ...– IAU0806) |title=Fourth dwarf planet named Makemake |author=International Astronomical Union |url=http://www.iau.org/public_press/news/release/iau0806/ |date=2008 ...

For ground-based observatories, the Earth atmosphere acts like a prism which [[Dispersion (optics)|dispers to the zenith. So given an astronomical picture with a coordinate system with a known direction ...

| discovery_site = [[Mauna Kea Observatories|Mauna Kea Obs.]] ...[[Subaru Telescope]], a large [[reflecting telescope]] at the [[Mauna Kea Observatories]] on the summit of [[Mauna Kea]] with a [[primary mirror]] {{convert|8.2|m| ...

...object was much too faint for any telescope to detect. Large ground-based observatories take 10 hours to image a [[apparent magnitude#27|magnitude ~28]] object. Th ...ca.html Table of Asteroids Next Closest Approaches to the Earth] – Sormano Astronomical Observatory ...

...s at z~6|url=http://adsabs.harvard.edu/abs/2001AJ....122.2833F|journal=The Astronomical Journal|volume=122|issue=6|pages=2833–2849|doi=10.1086/324111|arxiv=astro-p ...dence on the radiation spectral shape|journal=Monthly Notices of the Royal Astronomical Society|volume=445|issue=1|pages=544–553|doi=10.1093/mnras/stu1778|doi-acce ...

The G-index is grounded in the system of [[Photometry (astronomy)|astronomical photometry]], and is defined as follows:<ref name="Gdef" />{{dead link|date ...free }}</ref> This switch is problematic from the perspective of increased astronomical and ecological light pollution. Short wavelength light is more likely to [[ ...

...ration of Maskelyne at Schiehallion|journal=Quarterly Journal of the Royal Astronomical Society|volume=26|issue=3|pages=289–294|bibcode=1985QJRAS..26..289D|date=19 ...]] and estimates of the mass and density of the Earth. Since the masses of astronomical objects were known only in terms of relative ratios, the mass of the Earth ...

...reported their newly discovered TNO satellites to the [[Central Bureau for Astronomical Telegrams]], which announced their discovery of Vanth alongside three other ...or the satellite, with the best one to be submitted to the [[International Astronomical Union]] (IAU) on 5 April.<ref name="MBP-Mar09"/> The name [[Vanth]], the wi ...

...: spin-down of low-mass protostars |journal=[[Monthly Notices of the Royal Astronomical Society]] |year=2000 |volume=312 |issue=2 |pages=387–397 |bibcode=2000MNRAS In 2016 scientists at [[Carnegie Observatories]] published a research suggesting that stars at a similar stage of life as ...

.... "The Dark Ages Radio Explorer (DARE)." in the Bulletin of the [[American Astronomical Society]], vol. 43, p. 10709. 2011.</ref><ref> {{Space observatories |state=collapsed}} ...

|journal=[[Monthly Notices of the Royal Astronomical Society]] ...upernovae for an accelerating universe and a cosmological constant|journal=Astronomical Journal|volume=116|issue=3|pages=1009–38|arxiv=astro-ph/9805201 |doi=10.108 ...